The IMA releases TAP (its exhibition interpretation tool for mobile devices) as open source software, and explains why you should use it
The MIA has a glorious Flickr set you should check out; portraits of its staff, with short & interesting interviews. A simple, cheap, and engaging idea.
The Smithsonian is running an 'online conference' called Problem Solving with Smithsonian Experts that you can take part in for free. Twelve 50-minute sessions are being run over 4 days; I'm wondering if I can motivate myself into getting up at 6am to take part in How do we grasp the vastness of the universe?